10 III. Pennsylvania and Delaware B. B. Note.— The elevations on the Pennsylvania and Delaware Railroad were obtained in the office of Mr. George W. Leuffer, C. E., of Philadelphia. At Pomeroy Station, 43 miles of Philadelphia, this road joins the Pennsyl- vania R. R. Mr. Leuffer makes this point… … IV. York Branch P. B. B. The levels on the York Branch of the Pennsylvania R. R. were copied from the profile in the office of the P. R. R. at Philadelphia. In accordance with instructions of Mr. W. H. Wilson, 3' was added to each elevation, as shown on the profile, in order to agree with the level…
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